The John Deere 770CH is a motor grader designed for road construction, maintenance, and site grading applications. It is part of John Deere's 770 series and is commonly used for shaping surfaces, maintaining gravel roads, and preparing subgrades. The machine features a grader blade, articulated frame, and operator controls suited for precision grading work. The 770CH is typically equipped with a diesel engine, hydraulic blade control, and a cab configured for visibility and operator comfort. It is used in municipal, construction, and roadbuilding fleets where consistent grading performance and maneuverability are required.
Circle
John Deere 770CH Motor Grader Circle specifications
Blade Tip Angle - Front
49 degrees
Blade Tip Angle - Rear
5 degrees
Diameter
59.90 in (152.15 cm)
Max Lift Above Ground
18.60 in (47.24 cm)
Max Reach Outside Tires - Left
85.10 in (216.15 cm)
Max Reach Outside Tires - Right
83.10 in (211.07 cm)
Rotation
360 degrees
Shift Left
31.00 in (78.74 cm)
Shift Right
28.60 in (72.64 cm)
Dimensions
John Deere 770CH Motor Grader Dimensions specifications
Blade Base
8.80 ft (2.68 m)
Front Ground Clearance
2.10 ft (0.64 m)
Height to Top of Isomount Cab
10.30 ft (3.14 m)
Overall Length
28.30 ft (8.63 m)
Tandem Axle Wheelbase
5.10 ft (1.55 m)
Wheelbase
19.60 ft (5.97 m)
Width Over Tires
8.30 ft (2.53 m)
Engine
John Deere 770CH Motor Grader Engine specifications
Aspiration
Turbocharged with Aftercooler
Displacement
494.00 cu in (8,095.23 cu cm)
Engine Model
6081H
Max Power
205.00 hp (152.87 kw)
Net Power Gear 1-2
165.00 hp (123.04 kw)
Net Power Gear 4-6
185.00 hp (137.96 kw)
Net Power Gear 5-6
205.00 hp (152.87 kw)
Net Power Gears 7-8
205.00 hp (152.87 kw)
Net Torque Gears 1-2
570.00 lbs ft (772.81 nm)
Net Torque Gears 3-4
680.00 lbs ft (921.94 nm)
Net Torque Gears 5-6
682.00 lbs ft (924.66 nm)
Net Torque Gears 7-8
682.00 lbs ft (924.66 nm)
Number of Cylinders
6
Power Measured @
1900 rpm
Torque Measured @
900 rpm
Front Axle
John Deere 770CH Motor Grader Front Axle specifications
Ground Clearance
2.10 ft (0.64 m)
Oscillation - Total
32 degrees
Wheel Lean
20 degrees
Hydraulic System
John Deere 770CH Motor Grader Hydraulic System specifications
Pump Flow
54.70 gpm (207.04 lpm)
Pump Type
Closed Center Variable displacement
Relief Valve Pressure
2550 psi
Moldboard
John Deere 770CH Motor Grader Moldboard specifications
Blade Pull at Max Weight
27,990.00 lbs (12,696.07 kg)
Moldboard Height
24.00 in (60.96 cm)
Moldboard Thickness
0.90 in (2.29 cm)
Moldboard Width
12.00 ft (3.66 m)
Side Shift Left
26.90 in (68.33 cm)
Side Shift Right
26.90 in (68.33 cm)
Operating Specifications
John Deere 770CH Motor Grader Operating Specifications specifications
Alternator Supplied Amperage
55 amps
Circle Gearbox Fluid Capacity
1.10 gal (4.16 l)
Cooling System Fluid Capacity
12.00 gal (45.42 l)
Fuel Capacity
106.00 gal (401.21 l)
Hydraulic System Fluid Capacity
15.60 gal (59.05 l)
Max Operation Weight - Front Axle
9,910.00 lbs (4,495.11 kg)
Max Operation Weight - Rear Axle
26,320.00 lbs (11,938.57 kg)
Max Operation Weight - Total
36,230.00 lbs (16,433.67 kg)
Oil System Fluid Capacity
7.70 gal (29.14 l)
Operating Voltage
24 volts
Rear Diff/Final Drive Fluid Capacity
9.50 gal (35.96 l)
Std Operation Weight - Front Axle
8,790.00 lbs (3,987.08 kg)
Std Operation Weight - Rear Axle
22,710.00 lbs (10,301.10 kg)
Std Operation Weight - Total
31,500.00 lbs (14,288.18 kg)
Tandem Case Fluid Capacity (each)
19.90 gal (75.32 l)
Tire Size
14.00-24
Transmission Fluid Capacity
10.10 gal (38.23 l)
Steering System
John Deere 770CH Motor Grader Steering System specifications
Articulation Angle
25 degrees
Turning Radius
22.00 ft (6.71 m)
Transmission
John Deere 770CH Motor Grader Transmission specifications
Max Speed - Forward
25.80 mph (41.52 kph)
Max Speed - Reverse
25.80 mph (41.52 kph)
Number of Gears - Forward
8
Number of Gears - Reverse
8
Transmission Type
Power Shift
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